Computer Networking
Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?

The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergence.
The updated information will replace the existing routing table entry.
The update will be ignored and no further action will occur.
The updated information will be added to the existing routing table.
They will all load-balance.

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Computer Networking
Error detecting code is

None of these
the ratio of the data units in error to the total number of data units
a check bit appended to an array of binary digits to make the sum of all the binary digits.
a code in which each expression conforms to specify rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and
an error-detecting code based on a summation operation performed on the bits to be checked

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Computer Networking
Which one of the following is true regarding VLANs?

You should not have more than 10 switches in the same VTP domain.
VLANs only work if you have a complete Cisco switched internetwork. No off-brand switches are allowed.
Two VLANs are configured by default on all Cisco switches.
VTP is used to send VLAN information to switches in a configured VTP domain.

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